Characteristics of all groundwater sources tested (n = 149)
| Characteristics . | N (%) . |
|---|---|
| Geology | |
| Coral limestone | 126 (85%) |
| Volcanic | 23 (15%) |
| Sanitation facility | |
| <30 m away | 31 (21%) |
| >30 m away | 118 (79%) |
| Animal pen | |
| <30 m away | 9 (6%) |
| >30 m away | 140 (94%) |
| Pump type | |
| Nira AF-85 handpump | 124 (83%) |
| India Mark II handpump | 7 (5%) |
| Motorised pump | 18 (12%) |
| Elevation | |
| <15 m | 44 (30%) |
| >15 m | 105 (70%) |
| Well type | |
| Borehole | 145 (97%) |
| Shallow well | 4 (3%) |
| Rainfall in previous 24 h | |
| Yes | 12 (9%) |
| No | 137 (91%) |
| Characteristics . | N (%) . |
|---|---|
| Geology | |
| Coral limestone | 126 (85%) |
| Volcanic | 23 (15%) |
| Sanitation facility | |
| <30 m away | 31 (21%) |
| >30 m away | 118 (79%) |
| Animal pen | |
| <30 m away | 9 (6%) |
| >30 m away | 140 (94%) |
| Pump type | |
| Nira AF-85 handpump | 124 (83%) |
| India Mark II handpump | 7 (5%) |
| Motorised pump | 18 (12%) |
| Elevation | |
| <15 m | 44 (30%) |
| >15 m | 105 (70%) |
| Well type | |
| Borehole | 145 (97%) |
| Shallow well | 4 (3%) |
| Rainfall in previous 24 h | |
| Yes | 12 (9%) |
| No | 137 (91%) |